[Steve Briscoe]

Forgot one.
9) Spring loaded exhaust vent openings in the bottom of the garage doors. Use black sewer piping that matches the size of the exhaust pipes to connect to your car. You're in business so there's going to be some nights when rest doesn't come easy. Go out to the garage like I do and enter a different world. You can work on your car late at night without the doors or open and avoid disturbing your neighbors. On hot or cold nights, it also keeps the garage temperature steady as you do your thing.